US Bridges

Mclearen Road over Horsepen Run

Good

Fairfax County, Virginia · 0.60 FR 657 & 0.40 to 608 · Structure no. 000000000024423

Built
1994
31 years old
Condition
Good
inspected March 2024
Type
Arch - Deck
Concrete
Length
75 ft
2 main spans
Daily traffic
13,741
2022 count
Owner
State
State Highway Agency

About this bridge

Mclearen Road over Horsepen Run is a concrete arch - deck carrying Mclearen Road over Horsepen Run in Fairfax County, Virginia. It was built in 1994, so it is 31 years old, younger than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 13,741 vehicles a day, roughly 1% of them trucks, projected to reach 20,062 by 2042. The structure is 75 ft (22.9 m) long and 154 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMclearen Road
CrossesHorsepen Run
Location0.60 FR 657 & 0.40 to 608
RouteCounty Highway 668
Coordinates38.92407, -77.40708
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating82.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length75 ft (22.9 m)
Longest span36 ft (11 m)
Deck width154 ft (46.9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,741 (2022)
Projected traffic20,062 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$110 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Mclearen Road over Horsepen Run built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mclearen Road over Horsepen Run in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Mclearen Road over Horsepen Run carry?

About 13,741 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Mclearen Road over Horsepen Run?

The structure is 75 ft (22.9 m) long with a longest span of 36 ft (11 m) and a deck 154 ft wide.

Who owns Mclearen Road over Horsepen Run?

It is owned by the State Highway Agency.